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Comparison and evaluation of graph-based representations of sentence meaning is a challenge because competing representations of the same sentence may have different number of nodes, and it is not obvious which nodes should be compared to…

计算与语言 · 计算机科学 2026-03-30 Daniel Zeman , Federica Gamba

Graphs provide a natural way to represent data by encoding information about objects and the relationships between them. With the ever-increasing amount of data collected and generated, locating specific patterns of relationships between…

数据结构与算法 · 计算机科学 2026-04-28 Tatyana Benko , Rebecca Jones , Lucas Tate

Massive deployment of Graph Neural Networks (GNNs) in high-stake applications generates a strong demand for explanations that are robust to noise and align well with human intuition. Most existing methods generate explanations by…

机器学习 · 计算机科学 2022-07-14 Mohit Bajaj , Lingyang Chu , Zi Yu Xue , Jian Pei , Lanjun Wang , Peter Cho-Ho Lam , Yong Zhang

Where graphs are used for modelling and specifying systems, consistency is an important concern. To be a valid model of a system, the graph structure must satisfy a number of constraints. To date, consistency has primarily been viewed as a…

计算机科学中的逻辑 · 计算机科学 2021-11-02 Jens Kosiol , Daniel Strüber , Gabriele Taentzer , Steffen Zschaler

The criteria for determining graph isomorphism are crucial for solving graph isomorphism problems. The necessary condition is that two isomorphic graphs possess invariants, but their function can only be used to filtrate and subdivide…

图形学 · 计算机科学 2025-08-19 Chuanfu Hu , Aimin Hou

Graph Contrastive Learning (GCL) aims to learn node representations by aligning positive pairs and separating negative ones. However, few of researchers have focused on the inner law behind specific augmentations used in graph-based…

机器学习 · 计算机科学 2024-12-25 Jingyu Liu , Huayi Tang , Yong Liu

Recently, deep learning based methods have demonstrated promising results on the graph matching problem, by relying on the descriptive capability of deep features extracted on graph nodes. However, one main limitation with existing deep…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Quankai Gao , Fudong Wang , Nan Xue , Jin-Gang Yu , Gui-Song Xia

In this paper, we consider the weighted graph matching problem with partially disclosed correspondences between a number of anchor nodes. Our construction exploits recently introduced node signatures based on graph Laplacians, namely the…

计算机视觉与模式识别 · 计算机科学 2018-04-12 Nan Hu , Raif M. Rustamov , Leonidas Guibas

The task of inferring the missing links in a graph based on its current structure is referred to as link prediction. Link prediction methods that are based on pairwise node similarity are well-established approaches in the literature. They…

社会与信息网络 · 计算机科学 2020-08-21 Md Kamrul Islam , Sabeur Aridhi , Malika Smail-Tabbone

There are a number of existing studies analysing the convergence behaviour of graph neural networks on large random graphs. Unfortunately, the majority of these studies do not model correlations between node features, which would naturally…

机器学习 · 计算机科学 2026-02-19 Mohammed Zain Ali Ahmed

Graph alignment, also known as network alignment, is a fundamental task in social network analysis. Many recent works have relied on partially labeled cross-graph node correspondences, i.e., anchor links. However, due to the privacy and…

社会与信息网络 · 计算机科学 2019-07-02 Chaoqi Chen , Weiping Xie , Tingyang Xu , Yu Rong , Wenbing Huang , Xinghao Ding , Yue Huang , Junzhou Huang

Graph matching is an important and persistent problem in computer vision and pattern recognition for finding node-to-node correspondence between graph-structured data. However, as widely used, graph matching that incorporates pairwise…

计算机视觉与模式识别 · 计算机科学 2019-01-17 Fu-Dong Wang , Gui-Song Xia , Nan Xue , Yipeng Zhang , Marcello Pelillo

We present a fully dynamic algorithm for maintaining approximate maximum weight matching in general weighted graphs. The algorithm maintains a matching ${\cal M}$ whose weight is at least $1/8 M^{*}$ where $M^{*}$ is the weight of the…

数据结构与算法 · 计算机科学 2012-12-13 Abhash Anand , Surender Baswana , Manoj Gupta , Sandeep Sen

This work presents a two-stage neural architecture for learning and refining structural correspondences between graphs. First, we use localized node embeddings computed by a graph neural network to obtain an initial ranking of soft…

机器学习 · 计算机科学 2020-01-28 Matthias Fey , Jan E. Lenssen , Christopher Morris , Jonathan Masci , Nils M. Kriege

We present an improved method for symbolic regression that seeks to fit data to formulas that are Pareto-optimal, in the sense of having the best accuracy for a given complexity. It improves on the previous state-of-the-art by typically…

机器学习 · 计算机科学 2020-12-17 Silviu-Marian Udrescu , Andrew Tan , Jiahai Feng , Orisvaldo Neto , Tailin Wu , Max Tegmark

Recent studies on Graph Neural Networks(GNNs) provide both empirical and theoretical evidence supporting their effectiveness in capturing structural patterns on both homophilic and certain heterophilic graphs. Notably, most real-world…

机器学习 · 计算机科学 2023-10-17 Haitao Mao , Zhikai Chen , Wei Jin , Haoyu Han , Yao Ma , Tong Zhao , Neil Shah , Jiliang Tang

Network alignment, the process of finding correspondences between nodes in different graphs, has many scientific and industrial applications. Existing unsupervised network alignment methods find suboptimal alignments that break up node…

社会与信息网络 · 计算机科学 2020-08-19 Xiyuan Chen , Mark Heimann , Fatemeh Vahedian , Danai Koutra

We perform a massive evaluation of neural networks with architectures corresponding to random graphs of various types. We investigate various structural and numerical properties of the graphs in relation to neural network test accuracy. We…

机器学习 · 计算机科学 2020-12-03 Romuald A. Janik , Aleksandra Nowak

Graph matching finds the correspondence of nodes across two correlated graphs and lies at the core of many applications. When graph side information is not available, the node correspondence is estimated on the sole basis of network…

机器学习 · 计算机科学 2022-02-08 Weijie Liu , Chao Zhang , Nenggan Zheng , Hui Qian

The anti-forcing number of a perfect matching $M$ of a graph $G$ is the minimal number of edges not in $M$ whose removal to make $M$ as a unique perfect matching of the resulting graph. The set of anti-forcing numbers of all perfect…

组合数学 · 数学 2016-07-20 Kai Deng , Heping Zhang
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